How often are flights from Montreal to San Francisco delayed?

About 17% of weekly flights between Montreal and San Francisco have experienced delays in the past year, with the average delay time being 140 minutes.

Which airline has the best punctuality record on Montreal to San Francisco flights?

Over the last year, Air Canada have had the lowest number of delays on this route, with just 15% of flights being delayed.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for Montreal to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

The most flights from YUL to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Consider Brussels Airlines (75%), Air New Zealand (71%) or Air Canada (70%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco.

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco, you may want to consider flying on Air Canada, United Airlines or Porter Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to San Francisco from Montreal Pierre Elliott Trudeau Intl?

If you book a flight to San Francisco from Montreal Pierre Elliott Trudeau Intl, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 4 flights from Montreal Pierre Elliott Trudeau Intl to San Francisco per day from 3 different airlines.

How can I find direct flights from Pierre Elliott Trudeau Intl to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to San Francisco.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to San Francisco?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$238+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Francisco are usually found in April or September, booked 69 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Pierre Elliott Trudeau Intl to San Francisco

Cheapest flights from Pierre Elliott Trudeau Intl to San Francisco
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Wed 12/175:50 pmYUL - SFO

Nonstop6h 32mAir Canada

Sun 1/187:30 amSFO - YUL

1 stop10h 30mAir Canada

Deal found 12/2

$384

Tue 12/307:08 amYUL - SFO

1 stop16h 43mAmerican Airlines

Sun 1/45:00 pmSFO - YUL

1 stop19h 14mAmerican Airlines

Deal found 12/3

$393

Wed 12/247:30 amYUL - SFO

1 stop14h 35mAmerican Airlines

Sat 12/2712:59 amSFO - YUL

1 stop11h 15mAmerican Airlines

Deal found 12/3

$398

Tue 12/234:00 pmYUL - SFO

1 stop9h 51mAmerican Airlines

Tue 1/611:13 pmSFO - YUL

1 stop10h 11mAmerican Airlines

Deal found 12/4

$399

Thu 12/187:00 amYUL - SFO

1 stop9h 30mAir Canada

Sun 1/188:25 amSFO - YUL

Nonstop5h 24mAir Canada

Deal found 12/2

$406

Sat 12/136:45 amYUL - SFO

1 stop8h 55mMultiple Airlines

Sun 1/111:00 pmSFO - YUL

1 stop15h 05mMultiple Airlines

Deal found 12/4

$407

Sat 12/136:45 amYUL - SFO

1 stop8h 55mMultiple Airlines

Sat 1/107:40 pmSFO - YUL

2 stops32h 25mMultiple Airlines

Deal found 12/4

$416

Thu 12/187:00 amYUL - SFO

1 stop9h 30mAir Canada

Tue 12/308:25 amSFO - YUL

Nonstop5h 24mAir Canada

Deal found 12/2

$426

Fri 12/125:50 pmYUL - SFO

Nonstop6h 32mAir Canada

Sat 1/108:25 amSFO - YUL

Nonstop5h 24mAir Canada

Deal found 12/3

$434

Best flights from Pierre Elliott Trudeau Intl to San Francisco
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Thu 2/56:45 amYUL - SFO

2 stops32h 25mWestJet

Thu 2/191:00 pmSFO - YUL

2 stops32h 38mWestJet

Deal found 12/2

$385

Mon 2/166:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Tue 2/241:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$392

Tue 2/176:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Wed 2/251:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$392

Fri 2/206:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Mon 3/21:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$392

Sat 2/146:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Mon 2/231:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$392

Sun 2/226:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Tue 3/31:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$392

Sun 2/156:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Mon 2/231:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$392

Fri 2/136:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Mon 2/231:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$392

Thu 2/196:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Thu 2/261:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$418

Mon 2/96:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Tue 2/171:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$418

Fri 2/66:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Mon 2/161:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$418

Sun 2/86:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Tue 2/171:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/2

$418

Last-minute flights from Pierre Elliott Trudeau Intl to San Francisco
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to San Francisco. Data last updated December 4, 2025 and is based on user searches.

Wed 12/247:30 amYUL - SFO

1 stop14h 35mAmerican Airlines

Sat 12/2712:59 amSFO - YUL

1 stop11h 15mAmerican Airlines

Deal found 12/3

$398

Wed 1/710:30 pmYUL - SFO

1 stop15h 24mAir Canada

Mon 1/122:30 pmSFO - YUL

1 stop8h 23mAir Canada

Deal found 12/3

$388

Fri 1/96:00 amYUL - SFO

1 stop10h 30mAir Canada

Mon 1/128:25 amSFO - YUL

Nonstop5h 24mAir Canada

Deal found 12/2

$383

Fri 1/96:45 amYUL - SFO

1 stop8h 53mMultiple Airlines

Mon 1/1210:08 pmSFO - YUL

2 stops23h 35mMultiple Airlines

Deal found 12/2

$392

Tue 1/136:45 amYUL - SFO

1 stop8h 53mMultiple Airlines

Fri 1/161:00 pmSFO - YUL

1 stop15h 05mMultiple Airlines

Deal found 12/2

$390

Thu 1/159:00 amYUL - SFO

1 stop9h 35mAir Canada

Wed 1/218:30 amSFO - YUL

2 stops9h 15mAir Canada

Deal found 12/2

$393

Fri 1/166:45 amYUL - SFO

2 stops30h 23mMultiple Airlines

Fri 1/231:00 pmSFO - YUL

1 stop21h 32mMultiple Airlines

Deal found 12/2

$396

Sun 1/256:45 amYUL - SFO

1 stop8h 53mPorter Airlines

Thu 2/51:40 pmSFO - YUL

1 stop7h 55mPorter Airlines

Deal found 12/1

$382

Sun 1/255:50 pmYUL - SFO

Nonstop6h 32mAir Canada

Thu 2/58:25 amSFO - YUL

Nonstop5h 24mAir Canada

Deal found 12/1

$384

Sun 1/253:59 pmYUL - SFO

1 stop9h 14mAmerican Airlines

Thu 2/56:00 amSFO - YUL

2 stops13h 59mAmerican Airlines

Deal found 12/1

$389

One-way flights from Pierre Elliott Trudeau Intl to San Francisco
Search for one-way flight options from Pierre Elliott Trudeau Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Thu 1/86:45 amYUL - SFO

2 stops53h 45mMultiple Airlines

Deal found 12/4

$238

Sat 1/106:45 amYUL - SFO

2 stops32h 27mWestJet

Deal found 12/3

$240

Wed 1/710:30 pmYUL - SFO

1 stop15h 24mAir Canada

Deal found 12/2

$241

Sat 1/176:00 amYUL - SFO

2 stops12h 35mAir Canada

Deal found 12/2

$243

Tue 1/206:00 amYUL - SFO

2 stops12h 35mAir Canada

Deal found 12/3

$244

Sat 1/107:00 amYUL - SFO

1 stop16h 25mAmerican Airlines

Deal found 12/3

$245

Wed 1/76:45 amYUL - SFO

2 stops28h 08mMultiple Airlines

Deal found 12/2

$247

Sun 12/146:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Deal found 12/1

$255

Wed 12/106:45 amYUL - SFO

1 stop8h 55mPorter Airlines

Deal found 12/2

$256

Find flight deals from Pierre Elliott Trudeau Intl to San Francisco

Most accurate provider	Gotogate 3 stars
Most trusted provider	Gotogate 3 stars
Round-trip from	$382 (American Airlines)
One-way from	$238 (Kiwi.com)
Popular in	December
Cheapest in	April
Average price	$520
Good round-trip deal	$417 or less
Good one-way deal	$341 or less

Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-San Francisco flight deals.

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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-San Francisco flights.

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From Montreal Pierre Elliott Trudeau Intl to San Francisco

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One-way flight from Montreal Pierre Elliott Trudeau Intl to San Francisco

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to San Francisco.

Search Deals

Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to San Francisco.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

6:45 am-12:10 pm

2 stops32h 25m

San Francisco

Thu 2/19

1:00 pm-12:38 am

2 stops32h 38m

$385

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 2/16

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Tue 2/24

1:40 pm-12:35 am

1 stop7h 55m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 2/17

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Wed 2/25

1:40 pm-12:35 am

1 stop7h 55m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Mon 3/2

1:40 pm-12:35 am

1 stop7h 55m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Mon 2/23

1:40 pm-12:35 am

1 stop7h 55m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 2/22

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Tue 3/3

1:40 pm-12:35 am

1 stop7h 55m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Mon 2/23

1:40 pm-12:35 am

1 stop7h 55m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 2/13

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Mon 2/23

1:40 pm-12:35 am

1 stop7h 55m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Thu 2/26

1:40 pm-12:35 am

1 stop7h 55m

$418

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Tue 2/17

1:40 pm-12:35 am

1 stop7h 55m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 23 results

Compare providers for flights from Pierre Elliott Trudeau Intl to San Francisco

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to San Francisco in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pierre Elliott Trudeau Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Pierre Elliott Trudeau Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Prices

Airlines

Delays

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco (average of $220). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in October is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to SFO?

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco at noon. By choosing this option you can save up to 61% on the cost of your flight, compared to a flight in the evening.

The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights

Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to San Francisco trip

Airports

YUL

Use YULExpress to pre-book security fast track up to 72 hours before departure for a smoother experience.

SFO

Take BART from SFO to downtown San Francisco for the least expensive travel option, taking about 40 minutes.

Our travel experts

John Walton

Expert on YUL

Harriet Baskas

Expert on SFO

Reviews of airlines servicing San Francisco

Get a feel of what it's like to fly with Porter Airlines, United Airlines, and Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

394 reviews

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Porter Airlines

8.0

Very good

394 reviews

Porter Airlines

8.0

Very good

394 reviews

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

United Airlines

7.4

Good

9,063 reviews

Porter Airlines

8.0

Very good

394 reviews

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Air Canada

7.1

Good

10,500 reviews

Porter Airlines

8.0

Very good

394 reviews

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

What airport do you fly into for flights to San Francisco from Montreal Pierre Elliott Trudeau Intl?
If you book a flight to San Francisco from Montreal Pierre Elliott Trudeau Intl, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 4 flights from Montreal Pierre Elliott Trudeau Intl to San Francisco per day from 3 different airlines.
How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?
Departing from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco will take you 8h 55m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is about 2531 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco round-trip?
Porter Airlines, at $196, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco.Alternate airlines to your destination round-trip include Air Canada and United Airlines. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco for 52% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco one-way?
The cheapest airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco are Porter Airlines ($149), Air Canada ($157), and United Airlines ($196).
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?
Consider Brussels Airlines (75%), Air New Zealand (71%) or Air Canada (70%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco.
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?
The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is $229. On average you can expect to pay $452. The most popular route, (Montreal Pierre Elliott Trudeau Intl - San Francisco), can usually be booked for $279.
Can I find deals for flights from Pierre Elliott Trudeau Intl to San Francisco that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to San Francisco.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to San Francisco?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco (average of $220). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in October is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Roseville

South San Francisco

Santa Cruz

Livermore

Turlock

Manteca

Watsonville

Sunnyvale

Santa Clara

San Bruno

Daly City

Redwood City

Vallejo

Hollister

Milpitas

Foster City

Union City

Davis

San Ramon

Burlingame

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Top 3 airlines flying from Pierre Elliott Trudeau Intl to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$253	Average$329	FlexibilityNo cancel fee	On-time52%
Air Canada	Cheapest$289	Average$423	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$341	Average$550	FlexibilityNo cancel fee	On-time69%

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$238+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pierre Elliott Trudeau Intl to San Francisco with Cheapflights

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3. Compare prices and book

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Francisco are usually found in April or September, booked 69 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Pierre Elliott Trudeau Intl to San Francisco

Cheapest flights from Pierre Elliott Trudeau Intl to San FranciscoExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Find flight deals from Pierre Elliott Trudeau Intl to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco that are best for you.

Compare providers for flights from Pierre Elliott Trudeau Intl to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to San Francisco in December.

Best time to book a flight from Pierre Elliott Trudeau Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Pierre Elliott Trudeau Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

What is the cheapest time of day to fly from YUL to SFO?

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

How often are flights from Montreal to San Francisco delayed?

What is the most punctual flight time for Montreal to San Francisco flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Montreal to San Francisco flights?

The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to San Francisco trip

Airports

YUL

SFO

Our travel experts

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Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from Montreal Pierre Elliott Trudeau Intl?

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco round-trip?

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What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

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Top 3 airlines flying from Pierre Elliott Trudeau Intl to San Francisco

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Cheapest flights from Pierre Elliott Trudeau Intl to San Francisco
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.